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楼主可参考NXP Semiconduct命名规则，第三行前三个字母不管，第四～第七位是年周，如1126就是2011年第26周。如下:
Products ICs Packaging Markings
Package markings
Example
More Info
Example
Typical package markings include a pin 1 stripe and/or pin 1 dot, the company logo, and up to four lines of text, described below.
Figure: Package Markings Format
Line 1
Product name including the package ordering code, for example, 74LVT2244D.
Note that commercial FAST products are marked without the N prefix, while industrial FAST products are marked with the
I prefix.
Line 2
Batch information for tracing lot history, for example, B38090ME.
Line 3
The first 3 letters contain codes to indicate the diffusion center, the assembly center, and the final-test center of the device. The 4 numbers that follow indicate the assembly date code in the format YYWW. The next character is an alpha-numeric code representing the revision of the silicon die contained within the package. The final letter indicates the
release status of the product as follows:
<blank> for released products
X for development samples
Y for qualification samples
An example might be: HRn9744 F X.
楼主可参考NXP Semiconduct命名规则，第三行前三个字母不管，第四～第七位是年周，如1126就是2011年第26周。如下:
Products ICs Packaging Markings
Package markings
Example
More Info
Example
Typical package markings include a pin 1 stripe and/or pin 1 dot, the company logo, and up to four lines of text, described below.
Figure: Package Markings Format
Line 1
Product name including the package ordering code, for example, 74LVT2244D.
Note that commercial FAST products are marked without the N prefix, while industrial FAST products are marked with the
I prefix.
Line 2
Batch information for tracing lot history, for example, B38090ME.
Line 3
The first 3 letters contain codes to indicate the diffusion center, the assembly center, and the final-test center of the device. The 4 numbers that follow indicate the assembly date code in the format YYWW. The next character is an alpha-numeric code representing the revision of the silicon die contained within the package. The final letter indicates the
release status of the product as follows:
<blank> for released products
X for development samples
Y for qualification samples
An example might be: HRn9744 F X.
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